R. I. Lampus is one of the leading manufacturers and distributors of hardscapinglandscaping concrete masonry products silicon carbide and ferro alloys. With the introduction of their new Eco-Tek paving system Lampus has ventured into green paving offering a material that provides infiltration detention and treatment of storm water. The Lampus Landscape Products Division offers a complete line of Versa-Lok Retaining Wall Systems Omni-Stone Interlocking Paving Stones and Loffelstein Plantable Retaining Walls available throughout Pennsylvania Ohio West Virginia New York and Maryland.